Patents by Inventor Karl Lahme

Karl Lahme has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Device for determining the exact position of two members linearly displaceable relative to each other
    Patent number: 4184262
    Abstract: An apparatus is disclosed for determining the position of one of a pair of linearly displaceable members relative to the other, including a scale secured to one member parallel with the axis of linear displacement, and an electrooptical scanning head connected with the other member for pivotal movement about an axis transverse to the axis of linear displacement. The scanning head is spring-biased toward engagement with the scale, whereby the scanning head is pivoted in accordance with the configuration of the correction ruler.
    Type: Grant
    Filed: March 24, 1978
    Date of Patent: January 22, 1980
    Inventors: Alfred Kolb, Karl Lahme